Sicilian Defense: O'Kelly Variation, Normal System, Smith-Morra Line

1.e4 c5 2.Nf3 a6 3.d4 cxd4 4.c3

ECO B28

The Sicilian Defense: O'Kelly Variation, Normal System, Smith-Morra Line is a chess opening line in the Sicilian Defense complex, reached after 1.e4 c5 2.Nf3 a6 3.d4 cxd4 4.c3.

It is catalogued under code B28 in the Encyclopaedia of Chess Openings (ECO).

The defining move c3 is chosen by White on move 4.

The Sicilian Defense: O'Kelly Variation, Normal System, Smith-Morra Line is a line of the Sicilian Defense. The Sicilian Defense is a chess opening that begins 1.e4 c5. Read the complete Sicilian Defense guide: what it is, how to reach it, its main variations, how to play against it, and its history.

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Every chess term used here is defined in the chess terms glossary. Browse all opening courses or the full ECO code index.